Change the BlockCipher interface to support multi-block encryption and

decryption. Currently only used for counter mode. Doesn't offer much
advantage as-is (though might help slightly, in terms of cache effects),
but allows for SIMD implementations to process multiple blocks in parallel
when possible. Particularly thinking here of Serpent; TEA/XTEA also seem
promising in this sense, as is Threefish once that is implemented as a
standalone block cipher.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/block/serpent/serpent.h b/src/block/serpent/serpent.h
index 5b9be257f..9c9fb59f2 100644
--- a/src/block/serpent/serpent.h
+++ b/src/block/serpent/serpent.h
@@ -23,8 +23,8 @@ class BOTAN_DLL Serpent : public BlockCipher
       BlockCipher* clone() const { return new Serpent; }
       Serpent() : BlockCipher(16, 16, 32, 8) {}
    protected:
-      void enc(const byte[], byte[]) const;
-      void dec(const byte[], byte[]) const;
+      void encrypt_n(const byte in[], byte out[], u32bit blocks) const;
+      void decrypt_n(const byte in[], byte out[], u32bit blocks) const;
       void key_schedule(const byte[], u32bit);
 
       SecureBuffer<u32bit, 132> round_key;